FIT: Press and hold the two buttons on the side to pull the retractable arm up to create room. For a secure and snug-fit, pull the retractable top clamp upward while placing your device in the open clamps. ROTATION: Device holder pivots and rotates 360 degrees to allow for various viewing angles. UNIVERSAL BIKE MOUNT: Now you can follow your favorite fitness videos, Listen to music, or read a book on your digital reading device while you workout. DURABLE CLAMP: the durable clamp and grip ensure that your Smart phone will stay securely fastened to your stationary bike, or other fitness equipment that has a handlebar. ADJUSTABLE: The top of the clamp holder easily slides up or down to fit the height of your device. The adjustable leg clamps adjust 3 inches in width to match your larger tablet devices. The cushioned accessory keeps your cellular device or tablet safe and secure from accidentally dropping while you are exercising. The swivel ball head attached to th